It's claimed commuters using the Thameslink rail line which runs from Bedford to London may have to wait longer for improved services.
While changes have been made, including longer trains and the current redevelopment of Blackfriars and London Bridge stations, the National Audit Office is concerned progress is too slow.
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It will be a mostly dry day but cloudy at times
A clear night tonight and staying dry. Sunday will remain dry with sunny spells.
A new flag of Northamptonshire has been raised at County Hall in Northampton this morning, the design chosen via a public vote.